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Message-Id: <20221128064648.1934720-7-baolu.lu@linux.intel.com>
Date: Mon, 28 Nov 2022 14:46:34 +0800
From: Lu Baolu <baolu.lu@...ux.intel.com>
To: Joerg Roedel <joro@...tes.org>, Jason Gunthorpe <jgg@...dia.com>,
Christoph Hellwig <hch@...radead.org>,
Kevin Tian <kevin.tian@...el.com>,
Will Deacon <will@...nel.org>,
Robin Murphy <robin.murphy@....com>,
Jean-Philippe Brucker <jean-philippe@...aro.org>
Cc: Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
Hector Martin <marcan@...can.st>,
Sven Peter <sven@...npeter.dev>,
Rob Clark <robdclark@...il.com>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Yong Wu <yong.wu@...iatek.com>,
Matthias Brugger <matthias.bgg@...il.com>,
Heiko Stuebner <heiko@...ech.de>,
Matthew Rosato <mjrosato@...ux.ibm.com>,
Orson Zhai <orsonzhai@...il.com>,
Baolin Wang <baolin.wang@...ux.alibaba.com>,
Chunyan Zhang <zhang.lyra@...il.com>,
Chen-Yu Tsai <wens@...e.org>,
Thierry Reding <thierry.reding@...il.com>,
iommu@...ts.linux.dev, linux-kernel@...r.kernel.org,
Lu Baolu <baolu.lu@...ux.intel.com>
Subject: [PATCH v3 06/20] iommu/mtk: Remove detach_dev callback
The IOMMU driver supports default domain, so the detach_dev op will never
be called. Remove it to avoid dead code.
Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
---
drivers/iommu/mtk_iommu.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 5dc1009a19ed..2022f47529c1 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -713,14 +713,6 @@ static int mtk_iommu_attach_device(struct iommu_domain *domain,
return ret;
}
-static void mtk_iommu_detach_device(struct iommu_domain *domain,
- struct device *dev)
-{
- struct mtk_iommu_data *data = dev_iommu_priv_get(dev);
-
- mtk_iommu_config(data, dev, false, 0);
-}
-
static int mtk_iommu_map(struct iommu_domain *domain, unsigned long iova,
phys_addr_t paddr, size_t pgsize, size_t pgcount,
int prot, gfp_t gfp, size_t *mapped)
@@ -949,7 +941,6 @@ static const struct iommu_ops mtk_iommu_ops = {
.owner = THIS_MODULE,
.default_domain_ops = &(const struct iommu_domain_ops) {
.attach_dev = mtk_iommu_attach_device,
- .detach_dev = mtk_iommu_detach_device,
.map_pages = mtk_iommu_map,
.unmap_pages = mtk_iommu_unmap,
.flush_iotlb_all = mtk_iommu_flush_iotlb_all,
--
2.34.1
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